Among its main achievements and the awards it has won, the following are worth mentioning:
- First prize in the Male Voice Choirs section at the International Competition in Tolosa (Basque Country). Year 1969.
- First prize in the Concurso de Habaneras (sea-faring song contest) in Torrevieja (Spain). Year 1970.
- First prize at the Polyphony Competition, also in Torrevieja (Spain). Year 1972.
- Sucessful performances at the Llangollen Festival (Wales), both in 1972 and 1973.
- First prize in the competition “Voces de Euskadi” (Voices from the Basque Country) at the last competition held in 1979, attended by all the male voice choirs of the region.
- Performances in cities all over Spain, including concerts at the “Palau de la Música” in Barcelona in 1978 and again in 1981, in the Cathedral and University of Gijón, at the University of Salamanca, as well as appearances on Spanish, French and Basque TV (Euskal Telebista).
- Several tours in Germany, Holland, Belgium, England, Wales and France.
- From 1982 to 1985, several concerts with the Orquesta Sinfónica de Bilbao (Bilbao Symphony Orchestra) performing L. Cherubini’s Requiem in D.Minor.
- Tour of Czechoslovakia with performances in Prague, Lidice, Moravia and Ostrava. Year 1984.
- Appearance as a guest performer at the International Competition in Gorizzia (Italy) in 1984.
- First prize/ gold medal for male voices at the International Competition of Neufchatel (Switzerland), with choirs competing from all over the world. Year 1985.
- Highly successful tour of Portugal in 1987 performing in Casçais and Lisbon, and appearance as guest performer at the third “Certamen de Habaneras” (sea-faring songs) in La Coruña (Spain). Year 1987.
- Tour of Venezuela in 1989, including performances in several Venezuelan cities, with 30 pieces recorded for a Venezuelan TV Channel.
- Tours of the Canary Islands and Galicia in 1990 and 1991, including (and worth a special mention) the Mass by Goikoetxea (a Basque composer) sung in the Cathedral of Santiago de Compostela.
- Tour of Argentina in 1993, performing at various theatres and auditoriums in Buenos Aires and Mar de Plata, including a recording for Euskal Telebista (Basque TV).
- Successful performance at the first Convivial Song Festival in Pecs (Hungary), 1996, performing several concerts during the course of this festival.
In 1998 the choir celebrated its 75th anniversary, receiving a tribute from the Asociación Vizcaina de Coros (The Choral Association of Bizkaia), and giving guest performances at the Teatro Arriaga (Bilbao), the auditorium of the Guggenheim Museum (Bilbao), and the Palacio Euskalduna (Bilbao’s Opera House), as well as at the headquarters of Athletic Club of Bilbao (Bilbao’s main football team), alongside with the soprano Ainhoa Arteta, as part of the club’s centenary celebrations.
In the year 2000, the choir travelled to the Lanzarote in the Canary Islands, invited by the Cabildo Insular (The Local Government), and gave concerts at the natural auditorium of “Los Jameos del Agua” as well in the city of Arrecife.
Today, the choir is made up of 56 male voices and since 1988 the conductor has been Javier Oyarzabal.